OPS 4311 (DMSP 5B F1)

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10-day predictions
OPS 4311 (DMSP 5B F1) is classified as:

• Space & Earth Science

NORAD ID: 5557
Int'l Code: 1971-087A
Perigee: 768.4 km
Apogee: 842.3 km
Inclination: 99.0 °
Period: 100.8 minutes
Semi major axis: 7176 km
RCS: 1.3993 m² (large)
Launch date: October 14, 1971
Source: United States (US)
Launch site: AIR FORCE WESTERN TEST RANGE (AFWTR)

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1  5557U 71087A   24326.46769421  .00000448  00000-0  19652-3 0  9993
2  5557  99.0454  38.5979 0051547 125.3204 235.2811 14.28061437758957

Source of the keplerian elements: AFSPC